The 3 ninjas, Rocky, Colt and Tum Tum, are spending the summer with their martial artist grandfather when their friendship with a local Native American girl, Jo, pulls them into a modern-day battle between the local Native Americans and a corrupt businessman

The 3 ninjas, Rocky, Colt and Tum Tum, are spending the summer with their martial artist grandfather when their friendship with a local Native American girl, Jo, pulls them into a modern-day battle between the local Native Americans and a corrupt businessman